package Thread;
class Test {
    public int value = 0;
}


public class Demo10 {
    private static boolean isFinished = false;

    public static void main(String[] args) throws InterruptedException {

        // 放到这里
        // boolean isFinished = false;

        Test test = new Test();

        Thread t = new Thread(() -> {
            while (!isFinished) {
                System.out.println("hello thread");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
            System.out.println("thread 结束");
//            System.out.println(test.value);
//            test.value++;
        });
        t.start();

        Thread.sleep(3000);
        isFinished = true;
    }
}